Home / 39,994,930.26-55,193,003.77-21,660,215.76

Finding the Fourth Proportional to 39,994,930.26, 55,193,003.77 and 21,660,215.76

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Solution

The fourth proportional to 39,994,930.26, 55,193,003.77 and 21,660,215.76 is: 29,891,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994,930.26 : 55,193,003.77 = 21,660,215.76 : x
  2. Step 2: Convert to fraction form
    39,994,930.26/55,193,003.77 = 21,660,215.76/x
  3. Step 3: Cross multiply
    39,994,930.26x = 55,193,003.77 × 21,660,215.76
  4. Step 4: Simplify right side
    39,994,930.26x = 1,195,492,370,100,693.50
  5. Step 5: Solve for x
    x = 1,195,492,370,100,693.50/39,994,930.26
  6. Step 6: Final answer
    x = 29,891,097.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.